- Companies
- Plumbers and heating engineers
- London
- CW Heat Services Ltd
CW Heat Services Ltd
- Company number
- 10779133
- Incorporated
- 19 May 20179 years trading
- Registered office
- 37 Colin Crescent, London, NW9 6EU
- Nature of business
- Plumbing, heat and air-conditioning installation
CW Heat Services Ltd is a 9-year-old private limited company registered in London, company number 10779133, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £14K (-27.2%) on the year before, to £37K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £42K against £5,826 owed within a year: 7.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £37K | £42K | £5,826 | 1 | |
| 31 Mar 2025 | £50K | £49K | 1 | ||
| 31 Mar 2024 | £50K | £47K | £0 | 1 | |
| 31 Mar 2023 | £34K | £42K | £11K | 1 | |
| 31 Mar 2022 | £14K | £26K | £16K | 1 | |
| 31 Mar 2021 | £10K | £20K | £0 | 1 | |
| 31 Mar 2020 | £15K | £13K | £8,345 | 1 | |
| 31 Mar 2019 | £10K | £2,174 | £9,365 | ||
| 31 Mar 2018 | £6,692 | £3,481 | £8,389 |
Where CW Heat Services Ltd is registered
The registered office is in London (NW9), in the Barnet local authority area, London. Show NW9 6EU on a map.
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Also registered at this address
1 other company uses the same registered office as CW Heat Services Ltd.
- Yardfast LimitedPlumbers and heating engineers
What happens if CW Heat Services Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 10779133
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2017 (9 years ago)
- Registered office
- 37 Colin Crescent, London, NW9 6EU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 2 June 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- D & D Heating Limited2015
- D and C Plumbing Stockport Limited2024
- D C Heating and Building Service Ltd2013
- D C N Hinds Limited2015
- D Hopgood Ltd2020
- D S Mechanical HVAC Services Ltd2021
- D S Thompson Heating and Gas Ltd2024
- D W Laws & Son Plumbing & Heating Ltd2013
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are CW Heat Services Ltd's accounts due?
CW Heat Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is CW Heat Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is CW Heat Services Ltd still trading?
CW Heat Services Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does CW Heat Services Ltd do?
CW Heat Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is CW Heat Services Ltd?
CW Heat Services Ltd was incorporated on 19 May 2017, 9 years ago.
What is the penalty if CW Heat Services Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View CW Heat Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.